Home / 14,070.60-21,103.20-4,210.20

Finding the Fourth Proportional to 14,070.60, 21,103.20 and 4,210.20

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Solution

The fourth proportional to 14,070.60, 21,103.20 and 4,210.20 is: 6,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.60 : 21,103.20 = 4,210.20 : x
  2. Step 2: Convert to fraction form
    14,070.60/21,103.20 = 4,210.20/x
  3. Step 3: Cross multiply
    14,070.60x = 21,103.20 × 4,210.20
  4. Step 4: Simplify right side
    14,070.60x = 88,848,692.64
  5. Step 5: Solve for x
    x = 88,848,692.64/14,070.60
  6. Step 6: Final answer
    x = 6,314.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.